Hottop B Coffee Roaster

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Full features of commercial style coffee roasting is at your disposal with the B2K+ which is the flagship home coffee roaster from Hottop. With the Hoptop B2k+, Model KN-8828B2K+, you get a full-specification, high-quality roaster with infinite control and no boundaries to hold you back from the love and craft of roasting coffee..

Having full control over total roast time, target roasting temperature, your fan speed, and heater power, these can be easily changed during the roast. The combination of variables that are subject to programming changes are virtually infinite on the Hottop B2K+.

Using three push buttons on the control panel for starting and stopping roasts and approving changes, there are four bi-directional, infinite-rotation speed-sensitive knobs that provide for absolute ease and fast parameter changes during the roast, being able to variably change everything from the fan speed, temperature control, target temperature, and target time.

The Hottop B uses not one but two K-Thermocouples for separate read outs of bean temperature (BT) and environmental temperature (ET) for real-time monitoring. Both temperatures are displayed on the advanced High-Contrast LED screen throughout the roast.

The incentive to produce a good roast is backed up by the adjusted profile able to be saved at the end of the roast and played back, saving up to 3 profiles at once. A further Bi-directional USB port supports third party software for real-time monitoring and graphing a roasts curve along with exterior computer control of the roasters parameters.

Hottop B Coffee Roaster FEATURES

Full Variable Parameter Roasting – With infinite possibilities to impact and control a roast curve.

Auto and Manual Modes Available – Save 3 Profiles to follow or roast with intuition. 

Dual Temperature Display Bean temperature and Environmental temperature for real-time monitoring.

Built-in Smoke Reduction System – A two-stage Air Filter keeps the smoke to a minimum.

Generous Chaff Tray – Collecting chaff with each roast, it's an easy pull out tray to empty.

10cm Roast Window –Look for those visual signals of your coffee roast progression.

Numerous Safety Functions – Three separate temperature safety points electronically monitored during the roast.

Improved Display – With the ability to count upwards or downwards to personalize your settings.

External Cooling Tray – With agitation arm and forced-air cooling fan. Beans cool in 4 to 5 minutes.


  • Hottop KN-8828B2K+ Coffee Roaster
  • Cooling Tray with Agitation Arm
  • Heat Guard Rail


Batch Capacity 300g Green Beans Max | 240g once roasted.
Power Supply 230-240V AC 50/60Hz
Dimensions (cm) Roaster: (W) 25.5 (D) 48 (H) 35.5

Drum: (ø) 10 x (L) 8

Viewing Window: (ø) 4

Weight 10.5kg
In Roast Controls Start, Stop, Time up/down, Fan speed up/down, Heater power up/down
Chamber Material Stainless Steel
Heating Indirect hot air (0~30 minutes)
Temperature Control  80ºC – 220ºC


Available Styles

Shipping Map
Mobile Map
Timings Mobile

* Rural and remote areas may attract longer shipping times but we make every effort to ensure we provide the fastest delivery times possible.

* Please note bulky orders to rural, remote & offshore areas in excess of 25kg may attract additional delivery fees.

Orders placed before 3pm AEST each day will be dispatched on the same day, Monday to Friday, excluding public holidays and weekends.

Delivery times above are estimates only. Delivery times apply from the date of dispatch, not the date orders are received and refer to business days not calendar days. We make every attempt to ensure all deliveries arrive within the estimated time frames above however sometimes events occur that are out of our control. If your order is more than 2 business days late based on the above guidelines please contact us and provide your name, order number and date of order.

Authority to Leave Terms and Conditions
By ticking the Authority to Leave box at the checkout page on the website when placing an order, Alternative Brewing’s agent/delivery partner will leave your parcel at your unattended premises in accordance with your instructions.

By providing Authority to Leave you agree that the parcel is deemed to have been received when left at your premises.

Alternative Brewing, and its agents/delivery partners associated with the delivery of your parcel, do not accept responsibility for any loss or damage that may result from you providing Authority to Leave for your delivery. You agree to release Alternative Brewing from and against any and all claims, demands, liabilities, losses, costs and expenses, including financial and other consequential losses, made, suffered or incurred by you or any other person or entity as a result of your election to choose Authority to Leave for your delivery.

If you do not provide Alternative Brewing Authority to Leave for your delivery, you will have to be at your premises in order for the delivery to occur.

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